914920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 2089800

約数和(自身を除く): 1174880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 257, 356, 445, 514, 712, 890, 1028, 1285, 1780, 2056, 2570, 3560, 5140, 10280, 22873, 45746, 91492, 114365, 182984, 228730, 457460, 914920]

約数ペア:

[(1, 914920), (2, 457460), (4, 228730), (5, 182984), (8, 114365), (10, 91492), (20, 45746), (40, 22873), (89, 10280), (178, 5140), (257, 3560), (356, 2570), (445, 2056), (514, 1780), (712, 1285), (890, 1028)]